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Finding the Fourth Proportional to 567.56, 783.48 and 360.56

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Solution

The fourth proportional to 567.56, 783.48 and 360.56 is: 497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.56 : 783.48 = 360.56 : x
  2. Step 2: Convert to fraction form
    567.56/783.48 = 360.56/x
  3. Step 3: Cross multiply
    567.56x = 783.48 × 360.56
  4. Step 4: Simplify right side
    567.56x = 282,491.55
  5. Step 5: Solve for x
    x = 282,491.55/567.56
  6. Step 6: Final answer
    x = 497.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.